Home / 2,727.86-3,763.29-1,717.77

Finding the Fourth Proportional to 2,727.86, 3,763.29 and 1,717.77

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Solution

The fourth proportional to 2,727.86, 3,763.29 and 1,717.77 is: 2,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.86 : 3,763.29 = 1,717.77 : x
  2. Step 2: Convert to fraction form
    2,727.86/3,763.29 = 1,717.77/x
  3. Step 3: Cross multiply
    2,727.86x = 3,763.29 × 1,717.77
  4. Step 4: Simplify right side
    2,727.86x = 6,464,472.72
  5. Step 5: Solve for x
    x = 6,464,472.72/2,727.86
  6. Step 6: Final answer
    x = 2,369.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.